Big Horn 11725PK 2-1/2-Inch Wire Hose Clamp, 5-Pack Double wire designed screw clamps are very useful and provide great clamping force The smooth edges of the round wire are harmless to hands or hoses Double steel wire are more stronger and can be used for long time fastening Convenient to use, simply release and tighten the screw to adjust the clamp diameter Use with dust collection | 5-pack